Multiple Choice
A geneticist is conducting research on pest-resistant walnut trees. He has developed a set of trees, when crossed, to produce offspring as follows: 40% of all trees are very resistant, 30% of trees are somewhat resistant, and 20% are susceptible to invasion by pest, for the rest, susceptibility status is undetermined. The probability of knowing that a tree from a crossing is at least somewhat resistant is:
A) P = 0.7.
B) P = 0.4.
C) P = 0.3.
D) P = 0.1.
Correct Answer:
Verified
Correct Answer:
Verified
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